Locomotive car-coupling.



M. B. GIBBRSON.

LOGOMOTIVE GAR COUPLING.

APPLICATION IIL'ED JUNE 11, 1914.

WITNESSES: 3 INGVEIQOH' 615079 z zrson Wi d A TTORNEKS 7 m fll mm MASON B. GIBERSON, OF DETROIT, MICHIGAN, ASSIGNOR TO FIONARCII STEEL CASTINGS COMPANY, OF DETROIT, MICHIGAN, A CORPORATION OEMICHIGAN.

LoooMo'rIvE CAR-COUPLING.

Specification of Letters Patent.

Patented Mar. 23, 1915.

Application filed June 11, 1914. Serial No. 844,443.

To all whom it may concern Be it known that I, Mason B. GIBnRsoN, a citizen of the United States of America, residing at Detroit, in the county ofVVayne and State of Michigan, have invented certain new and useful Improvements in Locomotive Car-Couplers, of which the following is a specification, reference being had therein to the accompanying drawings.

The invention relates to locomotive car couplers and comprises certain features of construction as hereinafter set forth.

In thedrawings: Figure 1 is a plan view;

otally securing said' shank to said fitting.

Inasmuch as the entire load of the train must be transmitted through this coupler, it is desirable to relieve the stress from the pivot pin, and to carry it through inter-engaging portions of the coupler and its socket fitting. At the same time, it is necessary to provide for the angular movement. of the coupler and also to obtain a construction in which the coupler head and shank may be easily engaged or disengaged from the socket fitting. To accomplish these results, the socket fitting C is formed with a flaring recess or pocket of sufficient angle to permit the maximum angular movement of the coupler shank. The fitting is further provided on its top portion with a segmental, up-

wardlyprojecting flange E concentric with the axis of the pin D, and a second segmen-' tal and concentric flange F is spaced from the flange E so as to form a segmental recess therebetween. The coupler head is formed with an upward projection G having a rearwardly-extending portion H and a downwardly-extending segmental hooked flange I adapted to engage the recess between the flanges E and F. Thus when the coupler is in position the flange E will engage with the flange I to transmit a draft from the fitting to the coupler head, while and disengaging the w the flange F forms an abutment or compression member for transmitting a stress in the opposite direction. Both of the flanges E and F are sufiiciently extended to engage the flange I in'allpositions'of angular move ment'of the coupler shank within the limits provided by the flaring socket.

To permit of engaging and disengaging the coupler head from the fitting the latter viscut away at the top and bottom of the socket so as to permit of-an angular move the lifting of the couplerv head to cause the hooked flange I to clear the segmental flange; E. As shown, the upper wall of the socket fitting has an upwardly-inclined inner face at J in rear of the pin D, while the lower. wall has a downwardly-inclined face-K in front of said. pin. .This will permit of the arrangement of the shank as shownin Fig. 3, where the coupler head is tilted upward sufiiciently to permit the flange I to clear the flange E. The shank is then dropped into horizontal position and the pin Dinserted .7

through registering apertures L and Min the fitting C and shank, This will hold the ment of the shank in a vertical plane, and

flanges I and E from-accidental disengagement, but there is suflicient clearance provided to relieve the'draft from-the pin when thecoupler is in normal position.

fitting will form-a pocket in which water may be retained, which would cause difiiculty by freezing in cold weather. I have therefore provided drain apertures N connecting with the lowest point in the pocket.

and permitting the escape of water thereangular arrangement of the shank in the flaring pocket, and a pivot pin for connecting said shank and fitting, forming a lock for preventing disengagement of said segmental bearings. v

2. In a car coupler, the a fitting having a flaring pocket, of a coupler head provided with-ashank engageable with said pocket and angularly 'movable combination with 85 The depression formed in the socket of the therein in a horizontal plane and also in a vertical plane, inter-engaging segmental hooked hearings integral respectively with said fitting and coupler head and providing for. the relative angnlar movement thereof in a horizontal plane, said bearings being engageable with each other when the shank is tilted in a vertical plane, and a pin for connecting said shank and fitting concentric to said segmental bearings, said pin preventing the tilting of said shank in a vertical plane,

In a, car coupler, a fitting provided with a flaring pocket, a coupler head having a shank for engaging said pocket and angularly movable therein in a horizontal plane, being also capable of tilting in a vertical plane, inter-engaging segmental hooked hearings integral respectively with said coupler head and fitting and adapted to clear each other when said shank is tilted in a vertical plane, and a pin for connecting said shank and fitting at a point concentri to said segmental hearings, said pin preventing the vertical tilting of said shank to retain said segmental bearings from disengagenient, but being provided With sufficient clearance to be relieved from draft stress by said inter-engaging hearings.

a. In a car coupler, the combination with the coupler head provided with a draft shank, of a fitting having a pocket for the reception of said shank, said pocket being under-cut to permit the vertical tilting of said shank in entering, and a drain aperture for the unc er-cut portion of said pocket.

5. In a car coupler, the combination with the coupler head provided with a draft shank, of a fitting having a pocket for the reception of said shank, said pocket being undercut to permit the vertical tilting of said shank in entering, inter-engaging portions on said shank and fitting, and a pivot-pin for connecting said shank and fitting forming a lock for preventing dis-engagen'ient of said inter-engaging portions.

In testimony whereof I ailii; my signature in presence of two witnesses.

MASQN B. GIBERSON. Nitnesses Jaimie P. BARRY, HENRIETTA E. BOWMAN,

Copies at this patent may be obtained for five cents each, by addressing the Commissioner of Patents.

Washington, 3). G. 

